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Paycheck Budget Calculator
Enter your take-home pay and how often you're paid. We'll split every paycheck into needs, wants, and savings with the 50/30/20 rule — or your own percentages — and show what that means per month and per year.
| Category | Per paycheck | Per month |
|---|---|---|
| Needs | $1,000 | $2,167 |
| Wants | $600 | $1,300 |
| Savings | $400 | $867 |
Paid biweekly? Two months a year you'll get a third paycheck — an extra $2,000 each time. Here's how to make it count →
How to use this paycheck budget calculator
- Enter your take-home pay. Use the net amount from your pay stub — after taxes, 401(k) contributions, and insurance premiums. Not your salary.
- Pick your pay frequency. Weekly, biweekly (every two weeks), semimonthly (twice a month), or monthly. This changes the monthly math more than most people expect.
- Choose a budget rule. Start with 50/30/20. If your rent or debt payments are high, try 60/30/10 or 70/20/10 — or type your own percentages.
How the math works
Converting a paycheck to monthly income isn't just multiplying by paychecks per month — it depends on your pay schedule:
| Pay frequency | Paychecks per year | True monthly income |
|---|---|---|
| Weekly | 52 | Paycheck × 52 ÷ 12 (≈ 4.33 paychecks/month) |
| Biweekly | 26 | Paycheck × 26 ÷ 12 (≈ 2.17 paychecks/month) |
| Semimonthly | 24 | Paycheck × 2 |
| Monthly | 12 | Paycheck × 1 |
If you're paid weekly or biweekly, your "average month" includes a fraction of a paycheck that doesn't actually arrive most months. That's why budgeting by paycheck — assigning each bill to the specific paycheck that covers it — works better than a calendar budget. Our biweekly budgeting guide walks through the full method.
What the 50/30/20 rule covers
50% Needs
Rent or mortgage, groceries, utilities, insurance, transportation, minimum debt payments, childcare. Anything with a due date or that you can't reasonably cut.
30% Wants
Dining out, streaming, hobbies, travel, upgrades. The category that makes a budget livable — and the first place to trim when a paycheck runs tight.
20% Savings
Emergency fund, retirement beyond payroll deductions, and debt payments above the minimum. Paying off a credit card faster counts as savings here.
Paycheck budgeting FAQ
How do I budget my paycheck with the 50/30/20 rule?
Take your after-tax (take-home) paycheck and split it three ways: 50% to needs (rent, groceries, utilities, minimum debt payments, insurance), 30% to wants (dining out, entertainment, hobbies, subscriptions), and 20% to savings and extra debt payoff. This calculator does the math for any paycheck amount and pay frequency instantly.
How do I budget if I get paid biweekly?
Budget one paycheck at a time instead of by calendar month. You receive 26 paychecks a year, which averages about 2.17 per month, so a biweekly paycheck times 26 divided by 12 gives your true monthly income. Two months each year contain a third paycheck; treating it as savings instead of a windfall is one of the fastest ways to build an emergency fund.
Should I use gross pay or take-home pay to budget?
Use take-home (net) pay: the amount that actually hits your bank account after taxes, retirement contributions, and insurance premiums. Budgeting with gross pay overstates what you can spend and is the most common reason budgets fail on paper.
How much of my paycheck should I save?
A common target is 20% of take-home pay, which is the savings share of the 50/30/20 rule. If that is not realistic right now, start with any consistent amount, even 5%, and increase it when bills drop or income rises. Consistency matters more than the starting percentage.
What is the difference between biweekly and semimonthly pay?
Biweekly means every two weeks: 26 paychecks a year, with two months containing three paychecks. Semimonthly means twice a month on fixed dates (often the 15th and last day): exactly 24 paychecks a year, so every month has the same two paydays. The monthly math differs, which is why this calculator asks for your pay frequency.
Is this paycheck budget calculator free?
Yes. The calculator is completely free, requires no sign-up, and runs entirely in your browser. Nothing you type is sent to a server or stored.
Want this on autopilot?
MoneyMap is a budgeting app built around paychecks, not calendar months. It links your accounts, assigns bills to paychecks, and tracks the split automatically — private, encrypted, and offline-first.